<!DOCTYPE html>
<html lang="en">

<head>
    <title>html5</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1"> </head>

<body>
    <form action="demo-form.php">
        选择图片(可选择多张):
        <input type="file" name="img" multiple><br/>
        <input type="submit">
    </form>

</html>